========================================================================== Ubuntu Security Notice USN-5351-1 March 28, 2022 paramiko vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 21.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Paramiko would allow unintended access to private key files. Software Description: - paramiko: Python SSH2 library Details: Jan Schejbal discovered that Paramiko incorrectly handled permissions when writing private key files. A local attacker could possibly use this issue to gain access to private keys. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10: python3-paramiko 2.7.2-1ubuntu1.1 Ubuntu 20.04 LTS: python3-paramiko 2.6.0-2ubuntu0.1 Ubuntu 18.04 LTS: python-paramiko 2.0.0-1ubuntu1.3 python3-paramiko 2.0.0-1ubuntu1.3 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5351-1 CVE-2022-24302 Package Information: https://launchpad.net/ubuntu/+source/paramiko/2.7.2-1ubuntu1.1 https://launchpad.net/ubuntu/+source/paramiko/2.6.0-2ubuntu0.1 https://launchpad.net/ubuntu/+source/paramiko/2.0.0-1ubuntu1.3